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Identify the mistake that was made. 2(3x - 9) = 2x + 30 6x + 18 = 2x + 30 -2x -2x 4x + 18 = 30 -18 -18 4x = 12 4 4 x = 3

Identify the mistake that was made. 2(3x - 9) = 2x + 30 6x + 18 = 2x + 30 -2x -2x 4x + 18 = 30 -18 -18 4x = 12 4 4 x = 3
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5 votes
Identify the mistake that was made.

2(3x - 9) = 2x + 30
6x + 18 = 2x + 30
-2x -2x
4x + 18 = 30
-18 -18
4x = 12
4 4
x = 3

User Vika
by
7.0k points

1 Answer

6 votes

the error was they forgot to make 18 a negative

User Altaula
by
8.3k points
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